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发明名称
VENTILATION DEVICE
摘要
申请公布号
SU628380(A1)
申请公布日期
1978.10.15
申请号
SU19752185740
申请日期
1975.10.31
申请人
VASILEV VIKTOR M,SU
发明人
VASILEV VIKTOR M,SU
分类号
F24F7/00;F24F3/16;(IPC1-7):F24F7/00
主分类号
F24F7/00
代理机构
代理人
主权项
地址
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